SolarNext AG

SolarNext AG is a German company specialising in system solutions for renewable heating and cooling supply. According to its official website, it develops and distributes standardised Thermal Cooling Kits under the chillii® brand for a wide range of applications, as well as the chillii® System Controller for optimal regulation of cooling systems. Its chillii® Cooling Kits are used by industry and municipal utilities to provide cooling for production facilities and to implement building air conditioning, with systems scalable from 50 kW to 5 MW per module. Since 2025, SolarNext has expanded into battery storage, offering both home battery storage systems (HESS) and commercial/industrial battery storage systems (CIESS). The home storage range covers 5 kWh to 50 kWh, while the commercial and industrial range covers 50 kWh to 1 MWh. The company also lists upcoming products including the Flexi 3.0 three-phase battery storage and the Combi 3.0 single-phase battery storage, both indicated as available from Q4 2026. SolarNext positions itself as a specialist in refrigeration and heat supply, combining product development and distribution with comprehensive services including conception, planning, design, commissioning, maintenance, and service. Its product portfolio spans cooling, heating (including chillii® heat pumps), and battery storage, serving industrial customers, municipal utilities, and building climate control applications.

SolarNext AG is a German company focused on system solutions for renewable heating and cooling. Its official website describes it as a specialist for refrigeration and heat supply, developing and distributing standardised Thermal Cooling Kits under the chillii® brand for a broad range of applications, along with the chillii® System Controller for optimal regulation of cooling systems. These cooling kits are used by industry and municipal utilities to provide cooling for production facilities and to implement building air conditioning, with systems scalable from 50 kW to 5 MW per module. In 2025, SolarNext expanded its offering to include battery storage, adding home battery storage systems (HESS) and commercial/industrial battery storage systems (CIESS). The home storage range spans 5 kWh to 50 kWh, while the commercial and industrial range spans 50 kWh to 1 MWh. The company also lists upcoming products, the Flexi 3.0 three-phase battery storage and the Combi 3.0 single-phase battery storage, both indicated as available from Q4 2026. Beyond products, SolarNext provides services covering comprehensive conception, planning, design, and commissioning, as well as maintenance and service. Its portfolio thus combines cooling, heating (including chillii® heat pumps), and battery storage, serving industrial customers, municipal utilities, and building climate control applications.

• 2026

  Flexi 3.0 three-phase battery storage and Combi 3.0 single-phase battery storage indicated as available from Q4 2026.

• 2025

  SolarNext expands into battery storage, offering home (HESS) and commercial/industrial (CIESS) battery storage systems.

Specialist in renewable heating and cooling system solutions, now also offering home and commercial battery storage.

• chillii® Thermal Cooling Kits

  Standardised thermal cooling kits for a wide range of applications, used by industry and municipal utilities for production cooling and building air conditioning, scalable from 50 kW to 5 MW per module.

• chillii® System Controller

  Controller for optimal regulation of cooling systems.

• Home battery storage (HESS)

  Home battery storage systems ranging from 5 kWh to 50 kWh.

• Commercial/industrial battery storage (CIESS)

  Commercial and industrial battery storage systems ranging from 50 kWh to 1 MWh.

• Flexi 3.0 three-phase battery storage

  Three-phase battery storage, indicated as available from Q4 2026.

• Combi 3.0 single-phase battery storage

  Single-phase battery storage, indicated as available from Q4 2026.

• chillii® heat pump

  Heat pump product listed on the company website.

1. 1Start - Solar Next AGsolarnext.de
2. 2SolarNext AG - Wikidatawikidata.org